Joined Cases C-515/17 P and C-561/17 P: Judgment of the Court (Grand Chamber) of 4 February 2020 — Uniwersytet Wrocławski v Research Executive Agency (REA) (C-515/17 P) and Republic of Poland v Uniwersytet Wrocławski and Research Executive Agency (REA) (C-561/17 P) (Appeal — Action for annulment — Article 19 of the Statute of the Court of Justice of the European Union — Representation of parties in direct actions before the Courts of the European Union — Lawyer representing the applicant as a third party — Article 47 of the Charter of Fundamental Rights of the European Union)